/**
 * Generic Domain Detection
 * Detects personal/generic email providers (gmail, yahoo, etc.)
 */
export declare const GENERIC_EMAIL_DOMAINS: readonly ["gmail.com", "yahoo.com", "hotmail.com", "outlook.com", "live.com", "msn.com", "icloud.com", "me.com", "mac.com", "aol.com", "protonmail.com", "mail.com", "yandex.com", "zoho.com", "gmx.com", "fastmail.com", "comcast.net", "verizon.net", "att.net", "sbcglobal.net", "bellsouth.net", "cox.net", "qq.com", "163.com", "126.com", "web.de", "t-online.de"];
export type GenericEmailDomain = (typeof GENERIC_EMAIL_DOMAINS)[number];
export declare function extractDomainFromEmail(email: string): string | null;
export declare function normalizeDomain(domain: string): string;
export declare function isGenericDomain(domain: string): boolean;
export declare function hasGenericEmailDomain(email: string): boolean;
export declare function isGenericWebsiteDomain(website: string): boolean;
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